As of October 24, 2026, 08:18 PM ET, Polymarket traders price Alexi Giannoulias at 74.0% in 2027 Chicago Mayoral Election — $11.8K traded so far.
The leading outcome, Alexi Giannoulias, is priced at 74.0%.
Price changes for the leading market — 24 hours: -3.5 pts; past week: +5.5 pts; past month: +7.5 pts.
Since September 15, 2026, Alexi Giannoulias has traded between 51.0% and 74.0%. It opened at 56.5% and last traded at 74.0%.
| Day | Close |
|---|---|
| Oct 13, 2026 | 67.0% |
| Oct 15, 2026 | 66.5% |
| Oct 16, 2026 | 66.5% |
| Oct 18, 2026 | 71.0% |
| Oct 19, 2026 | 69.0% |
| Oct 20, 2026 | 71.0% |
| Oct 24, 2026 | 74.0% |
Alexi Giannoulias is favored at 74.0%.
| Outcome | Price | Implied probability | 24h change | Volume | Volume share |
|---|---|---|---|---|---|
| Alexi Giannoulias | 74¢ | 74.0% | -3.5 pts | $4.8K | 41.2% |
| Candidate A | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate B | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate C | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate D | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate E | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate F | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate G | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate H | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate I | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate J | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate K | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate L | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate M | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate N | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate O | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate P | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate Q | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate R | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate S | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate T | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate U | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate V | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate W | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate X | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate Y | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate Z | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate AA | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate AB | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate AC | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Candidate AD | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| Other | 50¢ | 50.0% | +0.0 pts | $0 | 0.0% |
| George Cardenas | 8¢ | 7.5% | +3.9 pts | $668 | 5.7% |
| Brandon Johnson | 6¢ | 6.0% | -1.0 pts | $1.5K | 12.7% |
| John Kelly | 6¢ | 5.8% | -3.9 pts | $598 | 5.1% |
| Susana Mendoza | 4¢ | 4.0% | -0.7 pts | $1.5K | 12.7% |
| Matt Brewer | 4¢ | 3.8% | -0.2 pts | $454 | 3.9% |
| Joe Holberg | 3¢ | 2.8% | -2.2 pts | $324 | 2.8% |
| Kam Buckner | 2¢ | 1.9% | -0.3 pts | $491 | 4.2% |
| Maria Pappas | 1¢ | 0.8% | -1.1 pts | $552 | 4.7% |
| Mike Quigley | 0¢ | 0.5% | — | $314 | 2.7% |
| Danielle Carter-Walters | 0¢ | 0.1% | — | $266 | 2.3% |
| Willie Wilson | 0¢ | 0.1% | — | $260 | 2.2% |
See the full live book for this market on Polymarket
The leading market's spread is 4¢ (bid 72¢ / ask 76¢) — a tighter spread means cheaper round-trip trading.
$11.8K has been traded on this event in total, $1.3K of it in the last 24 hours, across 43 markets.
This market is scheduled to end February 23, 2027, 06:59 PM ET.
The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027. This market will resolve according to the candidate that wins the election. The primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.
The largest current holder of the leading market holds 791 shares of Yes.
| Holder | Outcome held | Shares | Value at current price |
|---|---|---|---|
| Unfit-Hardboard | Yes | 791 | $585 |
| 0xa5ef39c3… | No | 294 | $77 |
| Unselfish-Mineral-Sunday | No | 201 | $52 |
| Belated-Glue | No | 189 | $49 |
| Infatuated-Nun | No | 125 | $32 |
| Gifted-Luck-Sort | No | 122 | $32 |
| Black-Latter | Yes | 93 | $69 |
| Arid-Cinema | Yes | 76 | $56 |
| Known-Use | Yes | 33 | $25 |
| Those-Skywalk | No | 31 | $8 |
| Time | Outcome | Side | Price | Size |
|---|---|---|---|---|
| Oct 24, 05:28 PM ET | No | SELL | 24.0% | $0 |
| Oct 24, 04:56 PM ET | Yes | SELL | 3.0% | $1 |
| Oct 24, 04:55 PM ET | No | SELL | 24.0% | $2 |
| Oct 24, 04:55 PM ET | No | BUY | 94.0% | $61 |
| Oct 24, 04:55 PM ET | No | BUY | 24.0% | $5 |
| Oct 24, 04:55 PM ET | No | BUY | 23.0% | $15 |
| Oct 24, 04:55 PM ET | No | BUY | 24.0% | $5 |
| Oct 24, 04:55 PM ET | Yes | BUY | 4.9% | $4 |
| Oct 24, 02:59 PM ET | Yes | SELL | 73.0% | $1 |
| Oct 24, 02:59 PM ET | Yes | BUY | 76.0% | $15 |
As of October 24, 2026, 08:08 PM ET, the leading outcome is Alexi Giannoulias at 74.0%. Next is Candidate A at 50.0%. See the live book on Polymarket: https://polymarket.com/event/2027-chicago-mayoral-election?via=bro
$11.8K in total volume, with $1.3K traded in the last 24 hours across 43 markets.
The market is scheduled to end February 23, 2027, 06:59 PM ET.
Alexi Giannoulias, priced at 74.0% as of October 24, 2026, 08:08 PM ET. Prices are implied probabilities backed by real-money trading.
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